# include <stdio.h>
#include <sys/stat.h>
#include <sys/types.h>
/*
zai  dang qian mu lu xia jian  li  yi   ge  wen  jian  jia  "test"
*/

/*
 #include <sys/stat.h>
 #include <sys/types.h>

 int mkdir(const char *pathname, mode_t mode);

*/
int main(int argc, char const *argv[])
{
	int ret = -1;
	ret = mkdir("test",0777);
	if( -1 == ret )
	{
		perror("mkdir");
		return -1;
	}
	return 0;
}